Improve application exit handling

src/net/apocalypselabs/symat/ExitControl.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2015, Netsyms Technologies
+ * All rights reserved.
+ * 
+ * 
+ * CODE LICENSE ==========
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this 
+ * list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the copyright holder nor the names of its contributors 
+ * may be used to endorse or promote products derived from this software without 
+ * specific prior written permission.
+ * 
+ * 4. You adhere to the Media License detailed below.  If you do not, this license
+ * is automatically revoked and you must purge all copies of the software you
+ * possess, in source or binary form.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * 
+ * MEDIA LICENSE ==========
+ * All images and other graphical files ("media") included with this
+ * software are copyright (c) 2015 Netsyms Technologies.  You may not distribute
+ * the graphics or any program, source code repository, or other digital storage 
+ * media containing them without permission from Netsyms Technologies.
+ * This ban on distribution only applies to publicly available systems.
+ * A password-protected network file share, USB drive, or other storage scheme that
+ * cannot be easily accessed by the public is generally allowed.  If in doubt,
+ * contact Netsyms Technologies.  If Netsyms Technologies allows or denies
+ * you permission, that decision is considered final and binding.
+ * 
+ * You may only use the media for personal, 
+ * non-commercial, non-educational use unless: 
+ * 1, You have paid for the software and media via the SyMAT website,
+ * or 2, you are using it as part of the 15-day trial period.  
+ * Other uses are prohibited without permission.
+ * If any part of this license is deemed unenforcable, the remainder 
+ * of the license remains in full effect.
+ */
+package net.apocalypselabs.symat;
+
+import static java.awt.Frame.MAXIMIZED_BOTH;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import javax.swing.JOptionPane;
+
+/**
+ * Runs closing logic, saves settings, prompts user, etc.
+ *
+ * @author Skylar
+ */
+public class ExitControl extends WindowAdapter {
+
+    @Override
+    public void windowClosing(WindowEvent we) {
+        int p = JOptionPane.showConfirmDialog(Main.mainPane,
+                "Are you sure you want to exit SyMAT?",
+                "Exit SyMAT",
+                JOptionPane.YES_NO_OPTION,
+                JOptionPane.QUESTION_MESSAGE);
+        if (p == JOptionPane.YES_OPTION) {
+            if (Main.maingui.getExtendedState() == MAXIMIZED_BOTH) {
+                PrefStorage.saveSetting("framemaxed", "yes");
+            } else {
+                PrefStorage.saveSetting("framemaxed", "no");
+                PrefStorage.saveSetting("framewidth", String.valueOf(Main.maingui.getWidth()));
+                PrefStorage.saveSetting("frameheight", String.valueOf(Main.maingui.getHeight()));
+                PrefStorage.saveSetting("framexpos", String.valueOf(Main.maingui.getLocationOnScreen().x));
+                PrefStorage.saveSetting("frameypos", String.valueOf(Main.maingui.getLocationOnScreen().y));
+            }
+            PrefStorage.save();
+            System.exit(0);
+        }
+    }
+}

src/net/apocalypselabs/symat/Functions.java

@@ -162,7 +162,7 @@ public class Functions {
      * Quit SyMAT.
      */
     public void quitApplication() {
-        System.exit(0);
+        new ExitControl().windowClosing(null);
     }
 
     /*

src/net/apocalypselabs/symat/Main.java

@@ -174,24 +174,7 @@ public class Main extends JRibbonFrame {
         setLocationRelativeTo(null);
 
         // Run things when app closed
-        addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowClosing(WindowEvent we) {
-                int p = JOptionPane.showConfirmDialog(Main.mainPane,
-                        "Are you sure you want to exit SyMAT?",
-                        "Exit SyMAT",
-                        JOptionPane.YES_NO_OPTION,
-                        JOptionPane.QUESTION_MESSAGE);
-                if (p == JOptionPane.YES_OPTION) {
-                    if (getExtendedState() == MAXIMIZED_BOTH) {
-                        PrefStorage.saveSetting("framemaxed", "yes");
-                    } else {
-                        PrefStorage.saveSetting("framemaxed", "no");
-                    }
-                    System.exit(0);
-                }
-            }
-        });
+        addWindowListener(new ExitControl());
 
         // Open initial windows
         boolean loaded = false;

src/net/apocalypselabs/symat/PrefStorage.java

@@ -96,6 +96,7 @@ public class PrefStorage {
     public static boolean save() {
         try {
             prefs.flush();
+            prefs.sync();
         } catch (BackingStoreException ex) {
             System.err.println("Settings could not be saved!");
             return false;